In the birchot hashachar we say every day, we recite a number of blessings to thank G-d for different things. I like to think about how grateful I am to G-d for every specific thing each blessing mentions. For example, in pokeach ivrim I think about thanking G-d for my capacity to see and how different would everything be if I couldn't see.
But the first of this blessings is hanoten lasechvi vina bein yom uvein laila which means who gives the rooster understanding to distinguish between day and night. When I say this, I honestly don't know what to thank for or what to think about. Maybe sometime ago people got woken up in the morning with the sound of the rooster, but I don't know why I should care if a rooster knows if it's day or night.
What should I think about when reciting this blessing?